title: Transient pericardial sac calcifications in low-birth-weight infants.
mesh_terms: D000328:Adult; D002114:Calcinosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D010496:Pericardium / Q000473:pathology*; D011247:Pregnancy; D011379:Prognosis; D011859:Radiography